Karakul (Tajikistan)

The Karakul crater is in Tajikistan. It left a   diameter lake in a big  impact crater.Earth Impact database, Karakul. The lake is higher than Lake Titicaca. 

The impact was about 25 million years ago, leaving a crater with a rim diameter of 45 kilometers (28 miles).

 References 

Category:Impact craters
Category:Lakes of Asia
Category:Geography of Tajikistan